Shaving device with improved contour following

B - Operations – Transporting – 26 – B

Patent

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Details

B26B 19/14 (2006.01)

Patent

CA 2754676

A shaving head (3) comprises at least one cutting unit (4) in which an external cutting member (5) which has a function in contacting skin to be subjected to a shaving action is arranged, and which is suspended relative to a holder (8) of the shaving head (3) through suspension means. In particular, the suspension means comprise at least two pivot constructions, wherein one pivot construction enables a member (9) of the suspension means to be pivotable relative to the holder (8), and wherein another pivot construction enables the external cutting member (5) to be pivotable relative to the suspension member (9) as mentioned. Furthermore, a pivoting stiffness of a connection of the latter pivot construction is lower than a pivoting stiffness of the first pivot construction. In this way, good contour following performance is obtained at two levels, in both relatively small and relatively large curvature changing areas.

L'invention porte sur une tête de rasage (3) qui comprend au moins une unité de coupe (4) dans laquelle est disposé un élément de coupe externe (5) qui a une fonction de contact avec la peau devant être soumise à une action de rasage, et qui est suspendue par rapport à un support (8) de la tête de rasage (3) par des moyens de suspension. En particulier, les moyens de suspension comprennent au moins deux structures de pivot, une structure de pivot permettant à un élément (9) des moyens de suspension d'être apte à pivoter par rapport au support (8), et une autre structure de pivot permettant à l'élément de coupe externe (5) d'être apte à pivoter par rapport à l'élément de suspension (9) mentionné ci-dessus. De plus, une rigidité de pivotement d'une liaison de cette dernière structure de pivot est inférieure à une rigidité de pivotement de la première structure de pivot. De cette manière, une bonne performance de suivi de contour est obtenue à deux niveaux, à la fois dans les zones de changement de courbure relativement faible et relativement importante.

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